merged

configure.in

@@ -1933,9 +1933,11 @@ AC_CHECK_FUNCS(alarm bcmp bfill bmove bzero chsize cuserid fchmod fcntl \
 #
 #
 case "$target" in
- *-*-aix4*)
+ *-*-aix4* | *-*-sco*)
 	# (grr) aix 4.3 has a stub for clock_gettime, (returning ENOSYS)
 	# and using AC_TRY_RUN is hard when cross-compiling
+	# We also disable for SCO for the time being, the headers for the
+	# thread library we use conflicts with other headers.
     ;;
  *) AC_CHECK_FUNCS(clock_gettime)
     ;;

innobase/srv/srv0srv.c

@@ -1783,11 +1783,13 @@ loop:
 		srv_printf_innodb_monitor(stderr);
 	    }
 
-	    mutex_enter(&srv_monitor_file_mutex);
-	    rewind(srv_monitor_file);
-	    srv_printf_innodb_monitor(srv_monitor_file);
-	    os_file_set_eof(srv_monitor_file);
-	    mutex_exit(&srv_monitor_file_mutex);
+	    if (srv_innodb_status) {
+		mutex_enter(&srv_monitor_file_mutex);
+		rewind(srv_monitor_file);
+		srv_printf_innodb_monitor(srv_monitor_file);
+		os_file_set_eof(srv_monitor_file);
+		mutex_exit(&srv_monitor_file_mutex);
+	    }
 
 	    if (srv_print_innodb_tablespace_monitor
 		&& difftime(current_time, last_table_monitor_time) > 60) {

mysql-test/r/func_compress.result

@@ -69,6 +69,6 @@ Error	1259	ZLIB: Input data corrupted
 Error	1256	Uncompressed data size too large; the maximum size is 1048576 (probably, length of uncompressed data was corrupted)
 drop table t1;
 set @@max_allowed_packet=1048576*100;
-select compress(repeat('aaaaaaaaaa', 10000000)) is null;
-compress(repeat('aaaaaaaaaa', 10000000)) is null
+select compress(repeat('aaaaaaaaaa', IF(XXX, 10, 10000000))) is null;
+compress(repeat('aaaaaaaaaa', IF(XXX, 10, 10000000))) is null
 0

mysql-test/r/select.result

@@ -2321,6 +2321,27 @@ select * from t2,t3 where t2.s = t3.s;
 s	s
 two		two	
 drop table t1, t2, t3;
+create table t1 (a integer,  b integer, index(a), index(b));
+create table t2 (c integer,  d integer, index(c), index(d));
+insert into t1 values (1,2), (2,2), (3,2), (4,2);
+insert into t2 values (1,3), (2,3), (3,4), (4,4);
+explain select * from t1 left join t2 on a=c where d in (4);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	c,d	d	5	const	2	Using where
+1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	3	Using where
+select * from t1 left join t2 on a=c where d in (4);
+a	b	c	d
+3	2	3	4
+4	2	4	4
+explain select * from t1 left join t2 on a=c where d = 4;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	c,d	d	5	const	2	Using where
+1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	3	Using where
+select * from t1 left join t2 on a=c where d = 4;
+a	b	c	d
+3	2	3	4
+4	2	4	4
+drop table t1, t2;
 CREATE TABLE t1 (
 i int(11) NOT NULL default '0',
 c char(10) NOT NULL default '',
@@ -2333,9 +2354,6 @@ INSERT INTO t1 VALUES (3,'c');
 EXPLAIN SELECT i FROM t1 WHERE i=1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	Using index
-EXPLAIN SELECT i FROM t1 WHERE i=1;
-id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	Using index
 DROP TABLE t1;
 CREATE TABLE t1 ( 
 K2C4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '', 

mysql-test/t/func_compress.test

@@ -38,7 +38,10 @@ drop table t1;
 
 #
 # Bug #5497: a problem with large strings
+# note that when LOW_MEMORY is set the "test" below is meaningless
 #
 
 set @@max_allowed_packet=1048576*100;
-select compress(repeat('aaaaaaaaaa', 10000000)) is null;
+--replace_result "''" XXX "'1'" XXX
+eval select compress(repeat('aaaaaaaaaa', IF('$LOW_MEMORY', 10, 10000000))) is null;
+

mysql-test/t/select.test

@@ -1899,6 +1899,20 @@ select * from t1,t2 where t1.s = t2.s;
 select * from t2,t3 where t2.s = t3.s;
 drop table t1, t2, t3;
 
+#
+# Bug #3759
+# Both queries should produce identical plans and results.
+#
+create table t1 (a integer,  b integer, index(a), index(b));
+create table t2 (c integer,  d integer, index(c), index(d));
+insert into t1 values (1,2), (2,2), (3,2), (4,2);
+insert into t2 values (1,3), (2,3), (3,4), (4,4);
+explain select * from t1 left join t2 on a=c where d in (4);
+select * from t1 left join t2 on a=c where d in (4);
+explain select * from t1 left join t2 on a=c where d = 4;
+select * from t1 left join t2 on a=c where d = 4;
+drop table t1, t2;
+
 #
 # Covering index is mentioned in EXPLAIN output for const tables (bug #5333)
 #
@@ -1916,8 +1930,6 @@ INSERT INTO t1 VALUES (3,'c');
 
 EXPLAIN SELECT i FROM t1 WHERE i=1;
 
-EXPLAIN SELECT i FROM t1 WHERE i=1;
-
 DROP TABLE t1;
 
 #

scripts/mysql_fix_privilege_tables.sh

@@ -105,7 +105,7 @@ then
   done
 fi
 
-cmd="$bindir/mysql -f --user=$user --host=$host"
+cmd="$bindir/mysql --no-defaults --force --user=$user --host=$host"
 if test ! -z "$password" ; then
   cmd="$cmd --password=$password"
 fi

sql/item_cmpfunc.cc

@@ -760,7 +760,7 @@ void Item_func_interval::fix_length_and_dec()
   maybe_null= 0;
   max_length= 2;
   used_tables_cache|= row->used_tables();
-  not_null_tables_cache&= row->not_null_tables();
+  not_null_tables_cache= row->not_null_tables();
   with_sum_func= with_sum_func || row->with_sum_func;
   const_item_cache&= row->const_item();
 }

sql/slave.cc

@@ -2002,7 +2002,8 @@ int init_master_info(MASTER_INFO* mi, const char* master_info_fname,
       position is at the beginning of the file, and will read the
       "signature" and then fast-forward to the last position read.
     */
-    if (thread_mask & SLAVE_SQL) {
+    if (thread_mask & SLAVE_SQL)
+    {
       my_b_seek(mi->rli.cur_log, (my_off_t) 0);
     }
     DBUG_RETURN(0);